import numpy as np
from PIL import ImageGrab
import cv2
import time


def screen_record():
    last_time = time.time()
    cv2.namedWindow('window123', cv2.WINDOW_KEEPRATIO)
    while True:
        # 800x600 windowed mode for GTA 5, at the top left position of your main screen.
        # 40 px accounts for title bar.
        printscreen = np.array(ImageGrab.grab(bbox=(0, 40, 800, 640)))
        print('loop took {} seconds'.format(time.time() - last_time))
        last_time = time.time()
        cv2.imshow('window123', cv2.cvtColor(printscreen, cv2.COLOR_BGR2RGB))
        if cv2.waitKey(25) & 0xFF == ord('q'):
            cv2.destroyAllWindows()
            break


if __name__ == '__main__':
    screen_record()
